'Magnificat' definitions:

Definition of 'Magnificat'

(from WordNet)
noun
(Luke) the canticle of the Virgin Mary (from Luke 1:46 beginning `Magnificat anima mea Dominum')

Definition of 'Magnificat'

From: GCIDE
  • Magnificat \Mag*nif"i*cat\, n. [L., it magnifies.] The song of the Virgin Mary, --Luke i. 46; -- so called because it commences with this word in the Vulgate. [1913 Webster]